#define _CRT_SECURE_NO_WARNINGS 2

#include<iostream>
#include<vector>
using namespace std;

int main() {
	vector<char> v;
	v.push_back('a');
	v.push_back('b');
	v.push_back(3);
	vector<char>::iterator it1 = v.begin();
	for (char ch : v) {
		cout << ch << endl;
	}
	
	return 0;
}